Summary
Keywords
Full Transcript
Article - https://codewitharyan.com/system-design/low-level-design Structured DSA (Basics to Advanced) Practice - https://codewitharyan.com/cwa-sheet/practice-problems My Uber Interview Experience - https://youtu.be/VGYJIX5yl74 My Coinbase Interview Experience - https://youtu.be/IjOC18b_dCw My American Express Inteview Experience - https://youtu.be/c3UhYefhnqk My JP Morgan & Chase Interview Experience - https://youtu.be/-jacTpY57no ..... more coming soon (along with LLD course on Second Channel) Most Frequently asked questions based on Leetcode Premium - https://codewitharyan.com/cwa-sheet/aryan-dsa-master-sheet LLD Syllabus which we gonna cover - https://codewitharyan.com/system-design/low-level-design Let's Connect: Main Channel for DSA & Live Streams - https://www.youtube.com/@ARYANMITTAL X Twitter : https://x.com/aryan_mittal007 π±Discord (Join Community) : https://discord.gg/vwUAz2pEHZ πLinkedin (About me): https://www.linkedin.com/in/aryan-mittal-0077 πΈ Instagram: https://www.instagram.com/codewitharyanbhai π±Telegram : https://t.me/aryan_mittal_group π€ Github: https://github.com/aryan-0077 β¨ Timelinesβ¨ 00:00 - Course Overview 00:30 - Starting today's problem: Snake and Food Game 00:36 - Similarity to other board games 00:50 - Flow of the video explained 01:06 - Why it's more of a DSA problem than LLD 01:31 - About extensibility and its role 01:57 - Uber interview real experience 02:25 - Starting explanation of Snake and Food game 02:39 - Difference between Snakes and Ladder vs Snake and Food 02:56 - Nokia classic snake game reference 03:14 - Game Objective explained 03:49 - Basic rules of the game 04:00 - Snake movement rules explained 04:55 - Food generation & mechanics 05:55 - Game Over conditions 06:24 - Interview scenario simulation starts 06:30 - Writing problem constraints 07:21 - Clarifying questions for interview 08:01 - Entities: Board, Snake, Food 08:44 - Using Deque to represent Snake body 09:10 - Collision detection: Wall & Self 09:43 - Position Map Explanation 10:21 - Default snake initialization 10:59 - Food entity details 11:43 - SnakeGame Class 12:23 - Design Challenges and required patterns 13:01 - Bottom-Up approach strategy 13:24 - Strategy Pattern for movement 14:06 - AI vs Human strategy logic 14:41 - Factory Pattern for food generation 15:00 - Singleton Pattern for board 15:59 - SnakeGame integrating all components 16:26 - Move() function working 16:50 - Checking for boundary collisions 17:26 - Eating food logic 18:03 - Snake movement implementation (shift & grow) 18:23 - Full game logic summary 18:58 - Food variants (Normal, Poison, Bonus) 19:41 - Observer Pattern for events (optional) 20:48 - Observer implementation sketch 21:53 - No wall variation 22:56 - Extensibility examples (n x m board, event tracking) 23:59 - Wrapping logic explained 24:46 - Final integration and modularity 25:59 - How to make it clean and maintainable 26:49 - Game Loop & Main function 27:36 - Input handling (WASD keys) 28:17 - Observer notifications in game 29:41 - Uber's follow-up variation (Random food generation) 30:30 - Wall / No wall flag handling 31:48 - Final extensibility review 32:50 - Closing remarks and learning summary β¨ Hashtags β¨ #programming #Interviews #leetcode #faang #maang #datastructures #algorithms #low-level-design #lld-by-aryan #lowleveldesign #systemdesignexplanation #systemdesign #systemdesigninterview #lowleveldesigninterviewquestions #lowlevelsystemdesign #highleveldesign #systemdesigntutorial #lowleveldesigntutorial #systemdesigninterviews #snakeandladdersystemdesign #flipkartlowleveldesign #systemdeign #systemdesignquestion #amazonsystemdesigninterviewquestion #microsoftsystemdesignquestion #lowleveldesignforinterviewpreparation
